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CVE-2011-2495

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 2.6.39.4之前版本中的fs/proc/base.c中存在漏洞，该漏洞源于未正确限制对/proc/#####/io文件的访问。本地用户可利用该漏洞通过轮询文件获取敏感I/O统计。该漏洞已通过发现其他用户的密码长度证实。

AI Predicted 3.3 Difficulty: Easy EPSS 0.48% · P40
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I. Basic Information for CVE-2011-2495

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux Kernel ‘fs/proc/base.c’ 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 2.6.39.4之前版本中的fs/proc/base.c中存在漏洞，该漏洞源于未正确限制对/proc/#####/io文件的访问。本地用户可利用该漏洞通过轮询文件获取敏感I/O统计。该漏洞已通过发现其他用户的密码长度证实。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
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II. Public POCs for CVE-2011-2495

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III. Intelligence Information for CVE-2011-2495

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Patches & Fixes for CVE-2011-2495 (2)

Vendor Advisories for CVE-2011-2495 (2)

Mailing List Discussions for CVE-2011-2495 (1)

Other References for CVE-2011-2495 (1)

Same Patch Batch · n/a · 2012-06-13 · 32 CVEs total

CVE-2011-2182 Linux kernel 缓冲区错误漏洞
CVE-2012-2041 Adobe ColdFusion 代码注入漏洞
CVE-2012-1889 Microsoft XML Core Services缓冲区错误漏洞
CVE-2012-2390 Linux kernel 资源管理错误漏洞
CVE-2012-2384 Linux kernel 数字错误漏洞
CVE-2012-2383 Linux kernel 数字错误漏洞
CVE-2012-2375 Linux kernel 数字错误漏洞
CVE-2012-2313 Linux Kernel ‘rio_ioctl’ 函数权限许可和访问控制问题漏洞
CVE-2011-2496 Linux Kernel ‘vma_to_resize’ 函数数字错误漏洞
CVE-2011-2494 Linux Kernel ‘taskstats’ 本地安全绕过漏洞
CVE-2011-2493 Linux Kernel ‘ext4_fill_super’ 函数拒绝服务漏洞
CVE-2011-2211 Linux Kernel ‘osf_wait4’ 函数权限许可和访问控制问题漏洞
CVE-2011-2210 Linux kernel ‘osf_getsysinfo’ 函数权限许可和访问控制问题漏洞
CVE-2011-2209 Linux Kernel ‘osf_sysinfo’ 函数数字错误漏洞
CVE-2011-2208 Linux Kernel ‘osf_getdomainname’ 函数数字错误漏洞
CVE-2011-2183 Linux kernel ‘scan_get_next_rmap_item’ 函数竞争条件漏洞
CVE-2011-2545 Cisco SPA8000/SPA8800跨站脚本漏洞
CVE-2011-1927 Linux Kernel 'ip_expire()'拒绝服务漏洞
CVE-2011-1768 Linux Kernel Tunnels Initialization例程拒绝服务漏洞
CVE-2011-1767 Linux Kernel IP GRE模块空指针解引用拒绝服务漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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Same vendor: n/a

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